This simple application will help improve your skills of addition, subtraction, multiplication and division. It is suitable for both adults and children. Particular attention is paid to the addition and subtraction of negative numbers.
Complete all levels of difficulty for each mathematical operation from the simplest to the most complex. After the correct solution of all tasks without prompts, the level of complexity increases. In the section “All in one” you can set the level of difficulty of the tasks.

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